/* ===========================================================
 * bootstrap-tooltip.js v2.0.0
 * http://twitter.github.com/bootstrap/javascript.html#tooltips
 * Inspired by the original jQuery.tipsy by Jason Frame
 * ===========================================================
 * Copyright 2012 Twitter, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ========================================================== */

!function ($) {

    "use strict"

    /* TOOLTIP PUBLIC CLASS DEFINITION
     * =============================== */

    var Tooltip = function (element, options) {
        this.init('tooltip', element, options)
    }

    Tooltip.prototype = {

        constructor: Tooltip

        , init: function (type, element, options) {
            var eventIn
                , eventOut

            this.type = type
            this.$element = $(element)
            this.options = this.getOptions(options)
            this.enabled = true

            if (this.options.trigger != 'manual') {
                eventIn = this.options.trigger == 'hover' ? 'mouseenter' : 'focus'
                eventOut = this.options.trigger == 'hover' ? 'mouseleave' : 'blur'
                this.$element.on(eventIn, this.options.selector, $.proxy(this.enter, this))
                this.$element.on(eventOut, this.options.selector, $.proxy(this.leave, this))
            }

            this.options.selector ?
                (this._options = $.extend({}, this.options, {trigger: 'manual', selector: ''})) :
                this.fixTitle()
        }

        , getOptions: function (options) {
            options = $.extend({}, $.fn[this.type].defaults, options, this.$element.data())

            if (options.delay && typeof options.delay == 'number') {
                options.delay = {
                    show: options.delay
                    , hide: options.delay
                }
            }

            return options
        }

        , enter: function (e) {
            var self = $(e.currentTarget)[this.type](this._options).data(this.type)

            if (!self.options.delay || !self.options.delay.show) {
                self.show()
            } else {
                self.hoverState = 'in'
                setTimeout(function () {
                    if (self.hoverState == 'in') {
                        self.show()
                    }
                }, self.options.delay.show)
            }
        }

        , leave: function (e) {
            var self = $(e.currentTarget)[this.type](this._options).data(this.type)

            if (!self.options.delay || !self.options.delay.hide) {
                self.hide()
            } else {
                self.hoverState = 'out'
                setTimeout(function () {
                    if (self.hoverState == 'out') {
                        self.hide()
                    }
                }, self.options.delay.hide)
            }
        }

        , show: function () {
            var $tip
                , inside
                , pos
                , actualWidth
                , actualHeight
                , placement
                , tp

            if (this.hasContent() && this.enabled) {
                $tip = this.tip()
                this.setContent()

                if (this.options.animation) {
                    $tip.addClass('fade')
                }

                placement = typeof this.options.placement == 'function' ?
                    this.options.placement.call(this, $tip[0], this.$element[0]) :
                    this.options.placement

                inside = /in/.test(placement)

                $tip
                    .remove()
                    .css({top: 0, left: 0, display: 'block'})
                    .appendTo(inside ? this.$element : document.body)

                pos = this.getPosition(inside)

                actualWidth = $tip[0].col - md - offset - Width
                actualHeight = $tip[0].col - md - offset - Height

                switch (inside ? placement.split(' ')[1] : placement) {
                    case 'bottom':
                        tp = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}
                        break
                    case 'top':
                        tp = {top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}
                        break
                    case 'left':
                        tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}
                        break
                    case 'right':
                        tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}
                        break
                }

                $tip
                    .css(tp)
                    .addClass(placement)
                    .addClass('in')
            }
        }

        , setContent: function () {
            var $tip = this.tip()
            $tip.find('.tooltip-inner').html(this.getTitle())
            $tip.removeClass('fade in top bottom left right')
        }

        , hide: function () {
            var that = this
                , $tip = this.tip()

            $tip.removeClass('in')

            function removeWithAnimation() {
                var timeout = setTimeout(function () {
                    $tip.off($.support.transition.end).remove()
                }, 500)

                $tip.one($.support.transition.end, function () {
                    clearTimeout(timeout)
                    $tip.remove()
                })
            }

            $.support.transition && this.$tip.hasClass('fade') ?
                removeWithAnimation() :
                $tip.remove()
        }

        , fixTitle: function () {
            var $e = this.$element
            if ($e.attr('title') || typeof($e.attr('data-original-title')) != 'string') {
                $e.attr('data-original-title', $e.attr('title') || '').removeAttr('title')
            }
        }

        , hasContent: function () {
            return this.getTitle()
        }

        , getPosition: function (inside) {
            return $.extend({}, (inside ? {top: 0, left: 0} : this.$element.col - md - offset - ()), {
                width: this.$element[0].col - md - offset - Width
                , height: this.$element[0].col - md - offset - Height
            })
        }

        , getTitle: function () {
            var title
                , $e = this.$element
                , o = this.options

            title = $e.attr('data-original-title')
                || (typeof o.title == 'function' ? o.title.call($e[0]) : o.title)

            title = title.toString().replace(/(^\s*|\s*$)/, "")

            return title
        }

        , tip: function () {
            return this.$tip = this.$tip || $(this.options.template)
        }

        , validate: function () {
            if (!this.$element[0].parentNode) {
                this.hide()
                this.$element = null
                this.options = null
            }
        }

        , enable: function () {
            this.enabled = true
        }

        , disable: function () {
            this.enabled = false
        }

        , toggleEnabled: function () {
            this.enabled = !this.enabled
        }

        , toggle: function () {
            this[this.tip().hasClass('in') ? 'hide' : 'show']()
        }

    }


    /* TOOLTIP PLUGIN DEFINITION
     * ========================= */

    $.fn.tooltip = function (option) {
        return this.each(function () {
            var $this = $(this)
                , data = $this.data('tooltip')
                , options = typeof option == 'object' && option
            if (!data) $this.data('tooltip', (data = new Tooltip(this, options)))
            if (typeof option == 'string') data[option]()
        })
    }

    $.fn.tooltip.Constructor = Tooltip

    $.fn.tooltip.defaults = {
        animation: true
        , delay: 0
        , selector: false
        , placement: 'top'
        , trigger: 'hover'
        , title: ''
        , template: '<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>'
    }

}(window.jQuery)
